Abstract
The fabrication of SrTiO3 nanofibers via the post-electrospinning reaction of TiO2 nanofibers with strontium hydroxide route has led to various heterogeneous forms of strontium-titanium oxides. On the other hand, we prepared homogeneous SrTiO3 nanofibers via the electrospinning of a mixed solution of titanium and strontium precursors. The mixture of precursors was prepared starting with a TiO2 precursor solution and adding the strontium component by surveying the combination with different types of strontium salts (nitrates, acetates and acetylacetates), solvents (methanol, acetylacetone, and 2-methoxyethanol) with various concentrations of poly(vinylpyrrolidone) as polymer guide and inorganic loadings. It was found that the homogeneous fibers were fabricated from solutions including 2.0 g titanium(IV) butoxide, 1.6 g strontium acetylacetate, 0.6 g acetylacetone, 0.8 g poly(vinylpyrrolidone), and 10 mL acetic acid. Electrospun fibers were characterized via the scanning electron microscopic/energy dispersive spectroscopic observations and the measurement of X-ray diffraction patterns.
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Acknowledgment
This work was partly supported by the “Energy Science in the Age of Global Warming” of Global Center of Excellence (G-COE) program (J-051) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan.
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Macaraig, L., Chuangchote, S., Sagawa, T. (2013). Fabrication of Strontium Titanate Nanofibers via Electrospinning. In: Yao, T. (eds) Zero-Carbon Energy Kyoto 2012. Green Energy and Technology. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54264-3_15
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DOI: https://doi.org/10.1007/978-4-431-54264-3_15
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